两层的

If the gouge layer is thin, contact between asperities on the rock surfaces can occur

如果充填物层很薄，两个岩石表面上的凸起物就有可能互相接触。

Traffic loading and temperature variety are two main factors to induce reflective cracking of asphalt overlay on old cement concrete pavement.

交通荷载及温度变化是引起旧水泥混凝土路面沥青加铺层反射裂缝的两大因素。

In DM group, decreasing of density of axoplasm, deposition of fat droplets, swelling and vacuolization of mitochondria and separation or disintegration in lamellar of myelin sheath of the sciatic nerve fiber could be observed, which could be partially improved by EA and KBK.

电镜形态学分析见造模两个月的糖尿病大鼠坐骨神经髓鞘板层有分离现象，线粒体嵴紊乱，有的线粒体嵴完全消失形成空泡线粒体，轴浆内有大量脂肪颗粒沉积；经电针和渴痹康治疗后能减轻这些病理改变。4。无论是电针治疗还是渴痹康治疗均无明显降血糖作用。

Hydra is two blastoderm animal, its nerve system is network-like.

两胚层腔肠动物水螅的神经元连接成网状神经系。

The round building is usually 3 to 4 stories tall with a large inner open space or double rings.

那圆圆的建筑物一般是3至4层楼高，里面有一个大的空地或者两圈。

Land Cadastre Secretary in the ministry in 2006, China submitted to the villa to a new definition of "means separated house or villa now, two to three floors form."

国土资源部地籍司司长樊志全在2006年中国地交会上对别墅作出了新的定义，"别墅现在还是指独门独院、两至三层楼形式。"

Both events have cast a dark shadow over the history of the team.

两次事件都给这个队的历史蒙上了一层阴影。

In both definitions the lithologic-time marker is critical because it represents contemporaneity of deposition.

在两个定义中，岩石时间标志层是关键的，因为它代表着同时沉积。

The crystallinity and the lamellar thickness are not consistent with those in two-phase system.

结晶度和片层厚度与两相系统中的结果不一致。

Grain inhibiting consisted of coating the propellant outer diametrical surface with polyester/styrene resin, then wrapping a resin soaked paper tightly around, forming two full layers.

粮食抑制构成涂层的推进剂外表面径向与聚酯/苯乙烯树脂，然后包装树脂浸泡文件，紧紧围绕，形成了两个完整层。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。